

⚙️ Upgrade your ride, feel the difference — don’t get left behind!
The SHIMANOROAD Bottom Bracket 86.5mm Press Fit in sleek black features precision aluminum threaded cups and steel bearings engineered for smooth, silent pedaling. Designed for 24mm hollowtech cranksets, it offers a perfect fit for road and gravel bike conversions, backed by Shimano’s trusted quality and a strong 4.6-star user rating.
| ASIN | B0BN1W9BHR |
| Best Sellers Rank | #55,294 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #7 in Bike Bottom Brackets |
| Brand Name | SHIMANO |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,196) |
| Date First Available | November 21, 2022 |
| Included Components | Bottom Brackets |
| Item Dimensions LxWxH | 4.79 x 2.51 x 2.39 inches |
| Item Package Dimensions L x W x H | 4.76 x 2.44 x 2.32 inches |
| Manufacturer | Shimano |
| Material | Steel Bearings |
| Model Name | BB-MT501 Bottom Bracket |
| Number of Items | 1 |
| Package Weight | 0.13 Kilograms |
| Part Number | EBBMT501B |
| Size | 68/73mm |
| Style | Bottom Brackets |
| Suggested Users | unisex |
| Warranty Description | Limited Warranty |
B**S
Worked great!
I’m turning my road bike into a gravel bike and wanted to update to a hollowtech and with a new single speed crankset. This fits my road bike! It comes with spacers to fit the extra room. Snug and well made
P**N
Great value
Works great. Threaded into my bsa bottom bracket perfectly and my 24mm hollow crank spins freely. I don't notice any creaking/grinding and the bearings are holding up well after a few months.
A**R
completely satisfied
Excellent product, comes with 3 spacers, fits perfectly on a 73mm bb shell using only one 2mm spacer on the drive side.
L**A
It is a Shimano Product.
This bottom bracket is made of really great materials and its easy to install if you have the right tools. Pefect fit form and function... Highly recommend this product specially coming from Shimano.
R**O
Shimano quality and reliablity
You simply can not go wrong with any Shimano branded bike parts. This BB is easy to install and the bearings are of very high quality. I have nearly 10K miles on my current BB and it is not even beginning to show signs of wear. Very durable and smooth spinning.
S**D
Great replacement/Upgrade bottem bracket for my GT Avalanche
Dropped my square tapper set for this and so far its great! One thing I have to complain about is the damn paper that has you scan a code for the manual... just pulls up the paper itself on the website...... I had to just manually google the actually manual for this part... It's easy to install but all i wanted to know is where and how many spacers to use...
K**S
quality is good
shimano tech... good to have -also light
J**E
Works right
It’s good.
K**E
Läuft sehr ruhig
A**A
I use this product in my bike, before it make an annoying noise, now it become silent when pedalling and too smooth. I recommend to buy it.
S**N
Çok iyi bir ürün, birebir uyumlu
J**H
Sealed bearing was a plus for me. Came in pre greased. Fits my wifes old mtb. Before buying would suggest to insure the size & specs match.
P**.
Perfect
Trustpilot
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